6B-44 - CLOSED COOLING MODELS 90-823225--1 1096
Serpentine Drive Belt Adjustment
1. Loosen 5/8 in. locking nut on adjustment stud.
Leave wrench on adjustment stud.
74908
a
b
Typical
a-5/8 In. Locking Nut
b-Adjustment Stud
2. Install drive belt on pulleys. Route belt for your
type of power package.
3. Belt deflection is to be measured on the belt at the
location that has the longest distance between
two (2) pulleys.
4. Use 5/16 in. socket and tighten adjusting stud
until the correct deflection of 1/4 in. (6 mm) (with
moderate thumb pressure, on the belt at location
indicated by arrow and dashed lines of the belt)
is obtained at location shown.
74933
Belt Routing WITH Power Steering and Equipped
WITH Engine Mounted Seawater Pump
74932
Belt Routing WITHOUT Power Steering and
Equipped WITH Engine Mounted Seawater Pump
74931
Belt Routing WITH Power Steering and WITHOUT
Engine Mounted Seawater Pump
74930
Belt Routing WITHOUT Power Steering and
WITHOUT Engine Mounted Seawater Pump
74908
a
b
Typical
a-5/8 In. Locking Nut
b-Adjustment Stud
5. Operate the engine for a short period of time. Re-
check belt adjustment.
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